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fix(wemall): 避免关系修复迁移重复创建索引

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Anyon 2026-04-02 13:19:33 +08:00
parent a58b8c0b29
commit 4d79c238c9
1 changed files with 106 additions and 7 deletions
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113
plugin/think-plugs-wemall/stc/database/20241010000010_fix_wemall_constraints.php
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@ -104,13 +104,24 @@ class FixWemallConstraints extends Migrator
*/
private function _fix_plugin_wemall_user_relation()
{
// 为path字段添加前缀索引（优化LIKE查询性能）
$this->execute('ALTER TABLE `plugin_wemall_user_relation` ADD INDEX `idx_path_prefix` (`path`(20))');
$indexes = $this->getTableIndexes('plugin_wemall_user_relation');
// 为代理层级字段添加索引
$this->execute('ALTER TABLE `plugin_wemall_user_relation` ADD INDEX `idx_puid1` (`puid1`)');
$this->execute('ALTER TABLE `plugin_wemall_user_relation` ADD INDEX `idx_puid2` (`puid2`)');
$this->execute('ALTER TABLE `plugin_wemall_user_relation` ADD INDEX `idx_puid3` (`puid3`)');
// 将普通 path 索引收敛为前缀索引，避免重复索引
if (!$this->hasIndexDefinition($indexes, ['path'], false, ['path' => 20])) {
foreach ($this->findIndexNamesByColumns($indexes, ['path']) as $name) {
$this->execute("ALTER TABLE `plugin_wemall_user_relation` DROP INDEX `{$name}`");
}
$this->execute('ALTER TABLE `plugin_wemall_user_relation` ADD INDEX `idx_path_prefix` (`path`(20))');
$indexes = $this->getTableIndexes('plugin_wemall_user_relation');
}
// 为代理层级字段补齐单列索引，已有同定义索引时跳过
foreach (['puid1', 'puid2', 'puid3'] as $column) {
if (!$this->hasIndexDefinition($indexes, [$column])) {
$this->execute("ALTER TABLE `plugin_wemall_user_relation` ADD INDEX `idx_{$column}` (`{$column}`)");
$indexes = $this->getTableIndexes('plugin_wemall_user_relation');
}
}
}
/**
@ -155,11 +166,99 @@ class FixWemallConstraints extends Migrator
}
$row = $this->getAdapter()->fetchRow('SELECT VERSION() AS version');
$raw = (string)($row['version'] ?? reset($row) ?: '0.0.0');
preg_match('/\\d+(?:\\.\\d+){1,2}/', $raw, $match);
preg_match('/\d+(?:\.\d+){1,2}/', $raw, $match);
$version = $match[0] ?? '0.0.0';
if (stripos($raw, 'mariadb') !== false) {
return $supports = version_compare($version, '10.2.1', '>=');
}
return $supports = version_compare($version, '8.0.16', '>=');
}
/**
* 获取表索引结构.
* @return array<string, array<string, mixed>>
*/
private function getTableIndexes(string $table): array
{
$indexes = [];
foreach ($this->fetchAll("SHOW INDEX FROM `{$table}`") as $index) {
$name = strval($index['Key_name'] ?? '');
if ($name === '' || $name === 'PRIMARY') {
continue;
}
$column = strval($index['Column_name'] ?? '');
$indexes[$name]['unique'] = intval($index['Non_unique'] ?? 1) === 0;
$indexes[$name]['columns'][intval($index['Seq_in_index'] ?? 0)] = $column;
if (is_numeric($index['Sub_part'] ?? null) && intval($index['Sub_part']) > 0) {
$indexes[$name]['limits'][$column] = intval($index['Sub_part']);
}
}
foreach ($indexes as $name => $index) {
$columns = $index['columns'] ?? [];
ksort($columns);
$indexes[$name] = [
'name' => $name,
'unique' => !empty($index['unique']),
'columns' => array_values(array_filter($columns, 'strlen')),
'limits' => $index['limits'] ?? [],
];
}
return $indexes;
}
/**
* 判断是否已存在目标索引定义.
* @param array<string, array<string, mixed>> $indexes
* @param array<int, string> $columns
* @param array<string, int> $limits
*/
private function hasIndexDefinition(array $indexes, array $columns, bool $unique = false, array $limits = []): bool
{
$expect = $this->buildIndexSignature($columns, $unique, $limits);
foreach ($indexes as $index) {
if ($this->buildIndexSignature($index['columns'] ?? [], !empty($index['unique']), (array)($index['limits'] ?? [])) === $expect) {
return true;
}
}
return false;
}
/**
* 查找同列索引名称.
* @param array<string, array<string, mixed>> $indexes
* @param array<int, string> $columns
* @return array<int, string>
*/
private function findIndexNamesByColumns(array $indexes, array $columns): array
{
$columns = array_values($columns);
$names = [];
foreach ($indexes as $name => $index) {
if (($index['columns'] ?? []) === $columns) {
$names[] = $name;
}
}
return $names;
}
/**
* 生成索引签名用于比较.
* @param array<int, string> $columns
* @param array<string, int> $limits
*/
private function buildIndexSignature(array $columns, bool $unique = false, array $limits = []): string
{
$columns = array_values(array_filter(array_map('strval', $columns), 'strlen'));
$normalized = [];
foreach ($columns as $column) {
if (isset($limits[$column]) && is_numeric($limits[$column])) {
$normalized[$column] = intval($limits[$column]);
}
}
return json_encode([
'columns' => $columns,
'unique' => $unique,
'limits' => $normalized,
], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
}
}